New Build, New to I7 ASUS P6T Deluxe V2 + 920 + 3X2 OCZ Platinum

[K91NE]

Ok i have this baord also and i have fount a few thing that are a must for it.
Alway when setting voltage try to get CPU and QPI/DRAM the same or very close and also you will need to up CPU PLL mine is 1.84.These are the only things for the most part i have changed and i am able to get 21x200 at 4.2 and 20x200 4.0 with Ram at 1600.
Now with that said i am sure at this point you are useing a CPU that is DO stepping?If not you will need more volyage across the baosrd with CO.Now i have a CO and my current voltagesand settings at 4.0 are:
MULTY 20
BLCK 200
CPU VOLYAGE 1.33125
DRAM BUS VOLTAGE 1.64(auto sets it to 1.80)
QPI/DRAM 1.33125
CPU PLL 1.84
thats is the only things that i have changed everythung else as far as Voltage is AUTO as it does not need to be chaged.Now with DRAM i have same Ram and set 7-7-7-24 that is it no other setting have been changed from day one and i have not had any issues with 4.0-4.2 OC
I use 4.0 24/7 and 4.2 if i bench as it does not make any difference in day to day computer use and i max out most games so the added heat is not needed buy me.

Again this is a CO I7 920 so if you have a DO the voltge will be less but this is where i ended up and i have also had sucess with helping other with DO buy kepping the voltges at the satrt just below mine and bring them down useing Intel Burn or Prime95 10 min.Sensor test threw Realtemp just to make sure it is 90% stable and can do what you decide from there as far as running other tests.

[NimrodAUS]

Thanks for the help mate. I will give that a go. Ran Memtest last night all night with 9 passes no errors.

[Lsdmeasap]

Nice setup!!

So did you get things stable fully yet? I can suggest also, please do not use x20 CPU multiplier, many CPU's do not like this number to be even, use x19 or x21

[NimrodAUS]

Hey LSD welcome Back. You can suggest anything you like. Well umm its 6 Eve client stable just not prime stable. But it doesnt hard lock or anything just errors out on a thread. I will be going back out there this weekend to have a bit more of a go with it to try and get it prime stable. I will try all the suggestions in this thread and a few I have hurd around. I dont think the CPU needs more volts I think its the ram or something else. Ill keep you posted. Yeah Its a pretty cool gaming setup.

[Lsdmeasap]

Well good luck, do try x19 or x21 multi (Can be 20 with turbo enabled if the BIOS presents this way, check CPU-z)

So no BSOD then? If only errors in prime and no BSOD you are likely close and may just need a bit more Vcore, QPI/Vtt, or IOH voltage, possibly even a tad more ram voltage